Creating air-permeable mandrels for inflating silicone balloons Posted on June 2, 2015June 2, 2015 fergalcoulterPosted in Mandrels As a method to impart pre-strain into silicone dielectric membranes, a method was devised for casting air permeable mandrels Bare (permeable) mandrel Permeability testing in water Inflating a silicone balloon Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Google+ (Opens in new window) Related